Home / 19,617.53-29,383.23-18,081.15

Finding the Fourth Proportional to 19,617.53, 29,383.23 and 18,081.15

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Solution

The fourth proportional to 19,617.53, 29,383.23 and 18,081.15 is: 27,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.53 : 29,383.23 = 18,081.15 : x
  2. Step 2: Convert to fraction form
    19,617.53/29,383.23 = 18,081.15/x
  3. Step 3: Cross multiply
    19,617.53x = 29,383.23 × 18,081.15
  4. Step 4: Simplify right side
    19,617.53x = 531,282,589.11
  5. Step 5: Solve for x
    x = 531,282,589.11/19,617.53
  6. Step 6: Final answer
    x = 27,082.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.